Lexus IS300H 2017 Manual page 335

BSM main switch
1
Pressing the switch turns the system on or off. When the switch is set to on, the
switch's indicator illuminates and the buzzer sounds. Common switch for BSM func-
tion and RCTA function.
Outside rear view mirror indicators
2
BSM function:
When a vehicle is detected in the blind spot, the outside rear view mirror indicator
comes on while the turn signal lever is not operated. If the turn signal lever is oper-
ated toward the detected side, the outside rear view mirror indicator flashes
RCTA function:
When a vehicle approaching from the right or left at the rear of the vehicle is
detected, both outside rear view mirror indicators will flash.
RCTA buzzer (RCTA function)
3
If a vehicle approaching from the right or left at the rear of the vehicle is detected, a
buzzer will sound. The buzzer also sounds for approximately 1 second immediately
after the BSM function is operated to turn the system on.
Monitor screen display (RCTA function)
4
If a vehicle approaching from the right or left at the rear of the vehicle is detected, the
RCTA icon (P. 344) for the detected side will be displayed on the monitor screen.
This illustration shows an example of a vehicle approaching from the left at the rear of
the vehicle.
4-5. Using the driving support systems
335
4